1 | /* crypto/idea/idea.h */
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2 | /* Copyright (C) 1995-1997 Eric Young (eay@cryptsoft.com)
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3 | * All rights reserved.
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4 | *
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5 | * This package is an SSL implementation written
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6 | * by Eric Young (eay@cryptsoft.com).
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7 | * The implementation was written so as to conform with Netscapes SSL.
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8 | *
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9 | * This library is free for commercial and non-commercial use as long as
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10 | * the following conditions are aheared to. The following conditions
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11 | * apply to all code found in this distribution, be it the RC4, RSA,
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12 | * lhash, DES, etc., code; not just the SSL code. The SSL documentation
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13 | * included with this distribution is covered by the same copyright terms
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14 | * except that the holder is Tim Hudson (tjh@cryptsoft.com).
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15 | *
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16 | * Copyright remains Eric Young's, and as such any Copyright notices in
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17 | * the code are not to be removed.
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18 | * If this package is used in a product, Eric Young should be given attribution
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19 | * as the author of the parts of the library used.
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20 | * This can be in the form of a textual message at program startup or
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21 | * in documentation (online or textual) provided with the package.
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22 | *
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23 | * Redistribution and use in source and binary forms, with or without
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24 | * modification, are permitted provided that the following conditions
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25 | * are met:
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26 | * 1. Redistributions of source code must retain the copyright
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27 | * notice, this list of conditions and the following disclaimer.
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28 | * 2. Redistributions in binary form must reproduce the above copyright
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29 | * notice, this list of conditions and the following disclaimer in the
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30 | * documentation and/or other materials provided with the distribution.
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31 | * 3. All advertising materials mentioning features or use of this software
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32 | * must display the following acknowledgement:
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33 | * "This product includes cryptographic software written by
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34 | * Eric Young (eay@cryptsoft.com)"
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35 | * The word 'cryptographic' can be left out if the rouines from the library
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36 | * being used are not cryptographic related :-).
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37 | * 4. If you include any Windows specific code (or a derivative thereof) from
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38 | * the apps directory (application code) you must include an acknowledgement:
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39 | * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
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40 | *
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41 | * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
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42 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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43 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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44 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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45 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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46 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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47 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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48 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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49 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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50 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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51 | * SUCH DAMAGE.
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52 | *
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53 | * The license and distribution terms for any publically available version or
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54 | * derivative of this code cannot be changed. i.e. this code cannot simply be
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55 | * copied and put under another distribution license
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56 | * [including the GNU Public License.]
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57 | */
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58 |
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59 | #ifndef HEADER_IDEA_H
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60 | #define HEADER_IDEA_H
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61 |
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62 | /*#include <openssl/opensslconf.h>*/ /* IDEA_INT, OPENSSL_NO_IDEA */
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63 | #define IDEA_INT unsigned int
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64 |
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65 | /*
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66 | #ifdef OPENSSL_NO_IDEA
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67 | #error IDEA is disabled.
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68 | #endif
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69 | */
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70 |
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71 | #define IDEA_ENCRYPT 1
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72 | #define IDEA_DECRYPT 0
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73 |
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74 | #define IDEA_BLOCK 8
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75 | #define IDEA_KEY_LENGTH 16
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76 |
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77 | #ifdef __cplusplus
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78 | extern "C" {
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79 | #endif
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80 |
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81 | typedef struct idea_key_st
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82 | {
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83 | IDEA_INT data[9][6];
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84 | } IDEA_KEY_SCHEDULE;
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85 |
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86 | const char *idea_options(void);
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87 | void idea_ecb_encrypt(const unsigned char *in, unsigned char *out,
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88 | IDEA_KEY_SCHEDULE *ks);
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89 | void idea_set_encrypt_key(const unsigned char *key, IDEA_KEY_SCHEDULE *ks);
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90 | void idea_set_decrypt_key(IDEA_KEY_SCHEDULE *ek, IDEA_KEY_SCHEDULE *dk);
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91 | void idea_cbc_encrypt(const unsigned char *in, unsigned char *out,
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92 | long length, IDEA_KEY_SCHEDULE *ks, unsigned char *iv,int enc);
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93 | void idea_cfb64_encrypt(const unsigned char *in, unsigned char *out,
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94 | long length, IDEA_KEY_SCHEDULE *ks, unsigned char *iv,
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95 | int *num,int enc);
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96 | void idea_ofb64_encrypt(const unsigned char *in, unsigned char *out,
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97 | long length, IDEA_KEY_SCHEDULE *ks, unsigned char *iv, int *num);
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98 | void idea_encrypt(unsigned long *in, IDEA_KEY_SCHEDULE *ks);
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99 | #ifdef __cplusplus
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100 | }
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101 | #endif
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102 |
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103 | #endif
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